| HDPAA | heparin-dependent platelet-associated antibody |
|---|---|
| HIVAN | human immunodeficiency virus-associated nephropathy |
| HIV-G | human immunodeficiency virus-associated gingivitis |
| HTLV-MA | cell membrane antigen associated with the human T-cell leukemia virus |
| HTLV-I-MA | human T-cell leukemia virus-I-associated membrane antigen |